<template>
  <view>
      <view class="goods-item">
        <!-- 商品左侧盒子 -->
        <view class="goods-item-left">
          <!-- 勾选区域 -->
          <radio :checked='goods.goods_state'  @click="radioClickHandler" color="#C00000" v-if="showRaido" />
          <image :src="goods.goods_small_logo || defaultPic" class="goods-pic"></image>
        </view>
        <!-- 商品右侧盒子 -->
        <view class="goods-item-right">
          <!-- 标题 -->
          <view class="goods-item-name">{{goods.goods_name}}</view>
          <view class="goods-info-box">
            <!-- 价格  在渲染商品价格的时候，通过管道符 | 调用过滤器 -->
            <view class="goods-price">￥{{goods.goods_price | tofixed}}</view>
            <uni-number-box :min="1" v-if="showRaido" :value="goods.goods_count" @change='numChangeHandler'></uni-number-box>
          </view>
        </view>
      </view>
    </view>
</template>

<script>
  export default {
    // 定义 props 属性，用来接收外界传递到当前组件的数据
    props: {
      // 商品的信息对象
      goods: {
        type: Object,
        default: {},
      },
      // 勾选框的显示隐藏
      showRaido:{
        type:Boolean,
        default:false
      },
      // 右侧nuberbox的显示隐藏
      showNum:{
        type:Boolean,
        default:false
      }
    },
    data() {
      return {
        // 默认的空图片
        defaultPic: 'https://img3.doubanio.com/f/movie/8dd0c794499fe925ae2ae89ee30cd225750457b4/pics/movie/celebrity-default-medium.png',
      }
    },
    // 过滤器
    filters:{
      // 把数字处理为带两位小数点的数字
      tofixed(num){
        return Number(num).toFixed(2)
      }
    },
    methods:{
      // 点击勾选框
      radioClickHandler(){
        this.$emit('radio-change',{
          goods_id:this.goods.goods_id,
          goods_state:!this.goods.goods_state
        })
      },
      // 数字框
      numChangeHandler(val){
        this.$emit('num-change',{
          goods_id:this.goods.goods_id,
          goods_count:+val
        })
      }
    }
  }
</script>

<style lang="scss">
.goods-item{
  // 让 goods-item 项占满整个屏幕的宽度
    width: 750rpx;
    // 设置盒模型为 border-box
    box-sizing: border-box;
  display: flex;
  padding: 10px 5px;
  border-bottom: solid 1px #F0F0F0;
  .goods-item-left{
    display: flex;
    margin-right: 5px;
    justify-content: space-between;
    align-items: center;
    .goods-pic{
      width: 100px;
      height:100px;
      display: block;
    }
  }
  .goods-item-right{
    display: flex;
    flex: 1;
    flex-direction: column;
    justify-content: space-between;
    .good-name{
      font-size: 13px;
    }
    .goods-info-box{
      display: flex;
      justify-content: space-between;
      align-items: center;
      .goods-price {
        font-size: 16px;
        color: #c00000;
      }
    }
  }
}
</style>
